CREMOMETER 



195 



CRICOTRACHEOTOMY 



Cremometer [krem-om'-et-ur) [cremor, cream ; uirpov, 

 a measure]. A graduated tube for determining the 

 percentage of cream in milk. 



Crenate. Sec II lus. Diet.) 2. A salt of crenic acid. 



Creoform [kre 1 ' -o-form). A solid, tasteless antiseptic 

 consisting of guaiacol, creasote. and formaldehyd. 



Creolalbin [kre-ol-al'-bin). See Crealbin. 



Creosal [kre'-o-sal). A dark-brown, very hygroscopic 

 powder, with odor and taste of creasote, obtained by 

 heating beechwood creasote with tannic acid and phos- 

 phorous oxychlorid. It is soluble in water, acetone, 

 alcohol, and glycerin, insoluble in ether. It is anti- 

 septic and astringent and is used in bronchial inflam- 

 mations. Dose, 1-9 gm. daily. Syn., Tannosal. 



Creosin [kre* '-o-sin) . A compound of creasote, iodin, 

 calcium hypophosphite, and balsam of Peru ; it is used 

 like creasote. 



Creosoform [kre-o' -so-form'). A combination of crea- 

 sote and formaldehyd, occurring as a greenish powder. 



Creosolid (kre-o-sol'-id). See Creasote-magncsia. 



Creosomagnesol (kre-o-so-mag'-ne-sol). A dry mix- 

 ture of potassium hydroxid, creasote, and magnesia ; 

 antiseptic. Dose, 2 gr. (o. 13 gm. ) in pill with honey. 



Creosotal 1 kre-o / -so-tal ) . See Creasote carbonate. 



Crepitation, Crepitus. (See Illus. Diet.) C. indux, 

 a crepitant rale heard in pneumonia at the beginning of 

 hepatization. C, Silken, a sensation such as is pro- 

 duced when two surfaces of silk are rubbed together, 

 felt by the hand when manipulating a joint affected 

 with hydrarthrosis. 



Cresamin { ires' -am-in). An antiseptic and germicide 



mixture of ethylene diamin and trikresol. 

 Cresaprol [fires' '-ap-rol). Cresin. 



Crescent. (See Illus. Diet. ) 2. A form of Plasmodium 

 mala rue: one of the crescentic, nonflagellate, refrac- 

 tive, pigmented bodies seen in the blood of persons 

 suffering from protracted forms of malarial poisoning ; 

 i.e., after the second week in estivoautumnal fever, 

 in the malarial remittent, and the cachectic victims of 

 chronic malaria. C. -sphere, Lambertin's term for 

 that phase of development of the malarial para-ite 

 when it becomes sausage-shaped or crescent-shaped. 

 It constitutes a sexual phase of the parasite and is des- 

 tined to be swallowed by Anopheles and to carry on 

 the further life-history of the parasite. C.s of the 

 Spinal Cord, the lateral gray bands of the spinal cord 

 as seen in horizontal section. 

 Crescentic (kres-en'-tik). 1. Shaped like a new moon. 

 . Derived from a member of the genus Crescentia; 

 g. , crescentic acid. 

 ;resin ( kre / -sin ) . A mixture of cresol, 25^?, and 

 sodium cresoxylacetate ; a brown, clear fluid, said to 

 be less poisonous than phenol. It is used in )4^e—l% 

 solution as a wound antiseptic. Syn., Cresaprol. 

 Cresochin (kres'-o-kin). See Qtiinosol. 

 Cresol. 1 See Illus. Diet.) Syn., Paramethyl Phenol. 

 C.anytol, a compound of anytol and cresol, used as a 

 bactericide. C.-naphthol, a brown, viscous tar-like 

 liquid, insoluble in water; it is used as a germicide. 

 C. Iodid. See Losophan (Illus. Diet.). C. Salicy- 

 late, C.-salol. See Cresalol ( Illus. Diet.). 



Crest. (See Illus. Diet. ) C, Auditive. See Crista 

 acustica (Illus. Diet.). C, Deltoid, a ridge on the 

 humerus at the attachment of the deltoid muscle. 

 C. Dental. See Dental Midges and Ridge, Max- 

 illary ( Illus. Diet. ). C. of the Ethmoid Bone. See 

 Crista galli (Illus. Diet). C, Ethmoidal. 1. A trans- 

 verse ridge on the inner aspect of the nasal process of 

 the superior maxilla. 2. The superior turbinated crest. 

 C, Gingival. See Ridge, Maxillary (Illus. Diet.). 

 C, Incisor (of Henle), the forward prolongation of 

 the nasal crest, terminating in the anterior nasal spine ; 



the cartilage of the nasal septum rests upon it. Syn., 

 Crista incisiia. C, Infratemporal, one on the outer 

 aspect of the great wing of the sphenoid and separating 

 the part of the bone which partly forms the temporal 

 fossa from that which aids in forming the zygomatic 

 fossa. C, Lambdoid. See C, Occipital (Illus. 

 Diet.). C, Obturator, a bony ridge running from 

 the spine of the os pubis to the anterior end of the 

 condyloid notch. C, Orbital. See Orbital Ridge 

 (Illus. Diet.). C Sacral, C. of Sacrum, a series 

 of eminences forming a longitudinal ridge on the mid- 

 dle line of the posterior surface of the sacrum. C, 

 Sphenoid, a thin ridge of bone in the median line of 

 the anterior surface of the body of the sphenoid bone. 

 C, Sphenomaxillary, an arched crest formed in part 

 by the anterior surface of the great wing of the sphenoid 

 and in part by the pterygoid process forming the border 

 of the sphenomaxillary fissure. C, Spiral. See 

 Crista spiralis (Illus. Diet.). C, Sublingual, in 

 veterinary anatomy, a ridge on the floor of the mouth 

 at the apex of which the sublingual glands open. C, 

 Supramastoid, a bony ridge above the external audi- 

 tory meatus. C, Temporal. See Ridge, Temporal 

 (Illus. Diet.). C Zygomatic, the anterior border 

 of the great wing of the sphenoid; it articulates with 

 the malar bone and separates the orbital from the tem- 

 poral surface. 



Cresyl (hres / -il). C T H T . The radicle of cresol. C. 

 Hydrate, cresyl alcohol. 



Cresylate (kres'-il-at). Any compound of cresol with a 

 metallic radicle. 



Cresylol (ires' -il-ol). See Cresol (Illus. Diet.). 



Creta. (See Illus. Diet) C. praeparata, calcium car- 

 bonate obtained by precipitation. Cretae pulvis 

 compositus, compound powder of chalk, consisting 

 of chalk, 30 parts; acacia in powder, 20 parts; sugar, 

 50 parts. Dose, 5-60 gr. (0.333-4 gm.). 



Cretaceous. (See Illus. Diet.) 2. Chalky-white in 

 color. 



Cretinism. (See Illus. Diet.) C, Acquired, C, Adult. 

 Synonym of Myxedema. 



Cretinoid Condition in Adults. [Sir Wm. Gull, 1873.] 

 Synonym of Myxedema. 



Cribration \ krib-ra' -shun) \cribrum,z. sieve]. I. The 

 state of being cribriform, or perforate. 2. The act of 

 sifting. 



Cribrum (hrib'-rum) [L. ; pi., cribra~\. A sieve. C. 

 benedictum, a perforate septum, supposed by the 

 ancients to separate two hypothetic cavities of the 

 kidneys, by which the blood in the upper one was 

 strained and freed from impurities. Cribra orbitalia, 

 inconstant porosities behind the edge of the orbit on 

 the inferior surface of the orbital plate of the frontal 

 bone; they may be culdesacs or, when developed 

 more fully, may communicate. 



Cricoarytenoid (kri-io-ar-it-e'-noid) [np'tucc, a ring; 

 apiraiva, a pitcher; eMbf, likeness]. Pertaining to 

 the cricoid and arytenoid cartilages. 



Cricohyoid, Cricohyoideus {hri-ko-hi'-oid,-oid f -e-us). 

 Relating to the cricoid cartilage and the hyoid bone. 



Cricoidectomy ikri-ioid-ek'-to-me) [*p/\oc, a ring; 

 enrhiveiv, to cut out]. The excision of the cricoid 

 cartilage. 



Cricothyroid, Cricothyroidean (kri-ko-thi'-roid, -thi- 

 roid'-e-an). Relating to the cricoid and the thyroid 

 cartilages. 



Cricothyrotomy (kri-io-tJii-rot'-o-me). Cricotomy with 

 division of the cricothyroid ligament. 



Cricotracheal, Cricotrachealis i kri-ko-tra'-ke-al, -tra- 

 ke-a'-lis). Relating to the cricoid cartilages and to the 

 trachea. 



Cricotracheotomy (kri-ko-trak-e-of 'o-me) [Kp/icor, a 



